Projection ProtectionA play can be as hard on the voice as a musical, with actors required to communicate intense emotions on a nightly basis—emotions that can stress the vocal folds, causing swelling and worse.

Celebrities Are Taking All the JobsThere seem to be more and more celebrities doing voiceovers, whether it's Morgan Freeman telling us why we should use Visa or Reese Witherspoon and an all-star cast duking it out in Monsters vs. Aliens. But is the perception accurate?